body, ul, li, ol, dl, dd, dt, p, h1, h2, h3, h4, h5, h6, form, img {
    margin: 0;
    padding: 0;
}

body, html {
    font-size: 16px;
    font-family: "微软雅黑";
    height: 100%;
    width: 100%;
    box-sizing: border-box;
}

/*定位居中*/
.middle {
    position: absolute;
    left: 50%;
    top: 50%;
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
}

a {
    color: #3e3e3e;
    text-decoration: none;
}

img, input, button, textarea {
    border: none;
    padding: 0;
    margin: 0;
    outline-style: none;
}

ul {
    list-style: none;
}

input {
    padding-top: 0;
    padding-bottom: 0;
    font-family: "SimSun", "宋体";
}

/*去掉行内替换元素空白缝隙*/
img {
    border: 0;
    vertical-align: middle;
}

h1, h2, h3, h4, h5, h6 {
    text-decoration: none;
    font-weight: normal;
    font-size: 100%;
}

s, i, em, u {
    font-style: normal;
    text-decoration: none;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

/*清除浮动*/
.clearfix:before,
.clearfix:after {
    content: "";
    display: table;
}

.clearfix:after {
    clear: both;
}

.clearfix {
    *zoom: 1;
    /*IE/7/6*/
}
